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Cummins 3802091 Fuel Injector Assembly

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Injection System Type	Mechanical PT
Opening Pressure	280-300 bar
Thread Size	M12x1.5
Installation Torque	25 Nm + 90°
Weight	0.45 kg
Fuel Type	Diesel
Part Type	Fuel Injector Assembly

Manufacturer No.

3802091
3908513
KBAL105P18

OEM Part No.

3802091
3908513

Engine Part No.

Cummins 4BT
Cummins 6BT
Cummins 6CT
Cummins 6CT 8.3L
Cummins ISC 8.3L
Cummins 6C8.3

Interchange No.

3802091RX
3802098
3802098RX
JR908513
0432191794
2DS374
D&W 3802091

Fitment Vehicles

Case Combine 1688
Case Combine 2188
Case Picker 2055
Case Picker 2155
Hyundai Wheel Loader HL760
M939 Truck Series
Dongfeng 6CT8.3 Trucks

The Cummins 3802091 fuel injector is a mechanical PT (Pressure-Time) type injector designed for non-certified 8.3 liter C series engines including 4BT, 6BT, and 6CT models. It features a Bosch KBAL105P18 nozzle assembly calibrated for precise fuel metering and atomization in heavy-duty diesel applications.

The injector operates at a nozzle opening pressure of approximately 280-300 bar with M12x1.5 thread interface and requires 25 Nm plus 90 degrees installation torque. This component is critical for maintaining engine performance, fuel economy, and emissions compliance in construction machinery, agricultural equipment, and heavy-duty trucks.

Cross-references include Cummins 3908513, 3802091RX remanufactured kit, and 3802098 variants. Direct fitment verified for Case combines 1688 and 2188, Case pickers 2055 and 2155, Hyundai HL760 wheel loaders, and M939 military truck series.